ACG HF Multi ISO RFID Reader - RFID Webshop
ACG HF Multi ISO RFID Reader - RFID Webshop
ACG HF Multi ISO RFID Reader - RFID Webshop
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<strong>ACG</strong> <strong>HF</strong> <strong>Multi</strong> <strong>ISO</strong> <strong>RFID</strong> <strong>Reader</strong> V1.0<br />
12.4.4.1.3 No tag error 'N'<br />
The reader does not detect a response from the tag. There is either no tag present or<br />
the tag does not respond to the request.<br />
12.4.4.1.4 Operation mode failure 'O'<br />
The tag is not <strong>ISO</strong>14443 type A compliant.<br />
12.4.4.2 Decrement value block (debit)<br />
Decrements a value block with a defined value. A read is done automatically after the<br />
write to verify data integrity. The command fails if the source block is not in value<br />
block format. A previous login is needed to access a block.<br />
Command<br />
Command<br />
'-'<br />
Data<br />
Block (1 byte)<br />
Value (4 bytes)<br />
Answer<br />
Answer<br />
Data<br />
'I'<br />
'F'<br />
'N'<br />
'O'<br />
Description<br />
Value (4 bytes)<br />
Error: value block failure<br />
Error: decrement failure<br />
Error: No tag in field<br />
Error: Operation mode failure<br />
Example<br />
Command Description<br />
-0400000001 Subtract 1 to value block 4<br />
-0500000100 Subtract 256 to value block 5<br />
12.4.4.2.1 No value block 'I'<br />
Specified block does not match the value format. The value block is corrupted. A<br />
backup block can be used to restore the correct value.<br />
<strong>ACG</strong> Identification Technologies GmbH 93
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